Macros
#define	__HAL_DMA_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_DMA_STATE_RESET)
	Reset DMA handle state. More...

#define	__HAL_DMA_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CCR \|= DMAC_CCR1_EN)
	Enable the specified DMA Channel. More...

#define	__HAL_DMA_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CCR &= ~DMAC_CCR1_EN)
	Disable the specified DMA Channel. More...

#define	__HAL_DMA_GET_TC_FLAG_INDEX(__HANDLE__)
	Return the current DMA Channel transfer complete flag. More...

#define	__HAL_DMA_GET_HT_FLAG_INDEX(__HANDLE__)
	Return the current DMA Channel half transfer complete flag. More...

#define	__HAL_DMA_GET_TE_FLAG_INDEX(__HANDLE__)
	Return the current DMA Channel transfer error flag. More...

#define	__HAL_DMA_GET_GI_FLAG_INDEX(__HANDLE__)
	Return the current DMA Channel Global interrupt flag. More...

#define	__HAL_DMA_GET_FLAG(__HANDLE__, __FLAG__) ((uint32_t)((__HANDLE__)->DmaBaseAddress->ISR & (__FLAG__:)))
	Get the DMA Channel pending flags. More...

#define	__HAL_DMA_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->DmaBaseAddress->IFCR = (__FLAG__))
	Clear the DMA Channel pending flags. More...

#define	__HAL_DMA_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CCR \|= (__INTERRUPT__))
	Enable the specified DMA Channel interrupts. More...

#define	__HAL_DMA_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CCR &= ~(__INTERRUPT__))
	Disable the specified DMA Channel interrupts. More...

#define	__HAL_DMA_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CCR & (__INTERRUPT__)))
	Check whether the specified DMA Channel interrupt is enabled or not. More...

#define	__HAL_DMA_GET_COUNTER(__HANDLE__) ((__HANDLE__)->Instance->CNDTR)
	Return the number of remaining data units in the current DMA Channel transfer. More...

#define	__HAL_DMA_SET_COUNTER(__HANDLE__, __DATA_COUNTS__) ((__HANDLE__)->Instance->CNDTR = __DATA_COUNTS__)
	restart the current DMA Channel transfer. More...

#define	__HAL_DMA_SET_CIRCLUAR_MODE(__HANDLE__, __CIRCLUAR_MODE__) ((__HANDLE__)->Instance->CCR \|= __CIRCLUAR_MODE__)
	Set circular mode for the current DMA Channel transfer. More...

#define	__HAL_DMA_CLEAR_CIRCLUAR_MODE(__HANDLE__, __CIRCLUAR_MODE__) ((__HANDLE__)->Instance->CCR &= ~(__CIRCLUAR_MODE__))
	Clear circular mode for the current DMA Channel transfer. More...

Detailed Description

DMA_Exported_Constants

Macro Definition Documentation

◆ __HAL_DMA_CLEAR_CIRCLUAR_MODE

#define __HAL_DMA_CLEAR_CIRCLUAR_MODE	(	__HANDLE__,
		__CIRCLUAR_MODE__
	)	((__HANDLE__)->Instance->CCR &= ~(__CIRCLUAR_MODE__))

Clear circular mode for the current DMA Channel transfer.

Parameters

__HANDLE__	DMA handle
__CIRCLUAR_MODE__	Circluar mode, 0 disable, 1 enable

Return values

None.

◆ __HAL_DMA_CLEAR_FLAG

#define __HAL_DMA_CLEAR_FLAG	(	__HANDLE__,
		__FLAG__
	)	((__HANDLE__)->DmaBaseAddress->IFCR = (__FLAG__))

Clear the DMA Channel pending flags.

Parameters

__HANDLE__	DMA handle
__FLAG__	specifies the flag to clear. This parameter can be any combination of the following values: DMA_FLAG_TCx: Transfer complete flag DMA_FLAG_HTx: Half transfer complete flag DMA_FLAG_TEx: Transfer error flag DMA_FLAG_GLx: Global interrupt flag Where x can be from 1 to 7 to select the DMA Channel x flag.

Return values

None

◆ __HAL_DMA_DISABLE

#define __HAL_DMA_DISABLE ( __HANDLE__ ) ((__HANDLE__)->Instance->CCR &= ~DMAC_CCR1_EN)

Disable the specified DMA Channel.

Parameters

__HANDLE__ DMA handle

Return values

None

◆ __HAL_DMA_DISABLE_IT

#define __HAL_DMA_DISABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	((__HANDLE__)->Instance->CCR &= ~(__INTERRUPT__))

Disable the specified DMA Channel interrupts.

Parameters

__HANDLE__	DMA handle
__INTERRUPT__	specifies the DMA interrupt sources to be enabled or disabled. This parameter can be any combination of the following values: DMA_IT_TC: Transfer complete interrupt mask DMA_IT_HT: Half transfer complete interrupt mask DMA_IT_TE: Transfer error interrupt mask

Return values

None

◆ __HAL_DMA_ENABLE

#define __HAL_DMA_ENABLE ( __HANDLE__ ) ((__HANDLE__)->Instance->CCR |= DMAC_CCR1_EN)

Enable the specified DMA Channel.

Parameters

__HANDLE__ DMA handle

Return values

None

◆ __HAL_DMA_ENABLE_IT

#define __HAL_DMA_ENABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	((__HANDLE__)->Instance->CCR \|= (__INTERRUPT__))

Enable the specified DMA Channel interrupts.

Parameters

__HANDLE__	DMA handle
__INTERRUPT__	specifies the DMA interrupt sources to be enabled or disabled. This parameter can be any combination of the following values: DMA_IT_TC: Transfer complete interrupt mask DMA_IT_HT: Half transfer complete interrupt mask DMA_IT_TE: Transfer error interrupt mask

Return values

None

◆ __HAL_DMA_GET_COUNTER

#define __HAL_DMA_GET_COUNTER ( __HANDLE__ ) ((__HANDLE__)->Instance->CNDTR)

Return the number of remaining data units in the current DMA Channel transfer.

Parameters

__HANDLE__ DMA handle

Return values

The	number of remaining data units in the current DMA Channel transfer.

◆ __HAL_DMA_GET_FLAG

#define __HAL_DMA_GET_FLAG	(	__HANDLE__,
		__FLAG__
	)	((uint32_t)((__HANDLE__)->DmaBaseAddress->ISR & (__FLAG__:)))

Get the DMA Channel pending flags.

Parameters

__HANDLE__	DMA handle
__FLAG__	Get the specified flag. This parameter can be any combination of the following values: DMA_FLAG_TCx: Transfer complete flag DMA_FLAG_HTx: Half transfer complete flag DMA_FLAG_TEx: Transfer error flag DMA_FLAG_GLx: Global interrupt flag Where x can be from 1 to 7 to select the DMA Channel x flag.

Return values

The	state of FLAG (SET or RESET).

◆ __HAL_DMA_GET_GI_FLAG_INDEX

#define __HAL_DMA_GET_GI_FLAG_INDEX ( __HANDLE__ )

Value:

(((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMAC_ISR_GIF1 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMAC_ISR_GIF1 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMAC_ISR_GIF2 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMAC_ISR_GIF2 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMAC_ISR_GIF3 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMAC_ISR_GIF3 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMAC_ISR_GIF4 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMAC_ISR_GIF4 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMAC_ISR_GIF5 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMAC_ISR_GIF5 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMAC_ISR_GIF6 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMAC_ISR_GIF6 :\
   DMAC_ISR_GIF7)

Return the current DMA Channel Global interrupt flag.

Parameters

__HANDLE__ DMA handle

Return values

The	specified transfer error flag index.

◆ __HAL_DMA_GET_HT_FLAG_INDEX

#define __HAL_DMA_GET_HT_FLAG_INDEX ( __HANDLE__ )

Value:

(((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_HT1 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMA_FLAG_HT1 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_HT2 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMA_FLAG_HT2 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_HT3 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMA_FLAG_HT3 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_HT4 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMA_FLAG_HT4 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_HT5 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMA_FLAG_HT5 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_HT6 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMA_FLAG_HT6 :\
   DMA_FLAG_HT7)

Return the current DMA Channel half transfer complete flag.

Parameters

__HANDLE__ DMA handle

Return values

The	specified half transfer complete flag index.

◆ __HAL_DMA_GET_IT_SOURCE

#define __HAL_DMA_GET_IT_SOURCE	(	__HANDLE__,
		__INTERRUPT__
	)	(((__HANDLE__)->Instance->CCR & (__INTERRUPT__)))

Check whether the specified DMA Channel interrupt is enabled or not.

Parameters

__HANDLE__	DMA handle
__INTERRUPT__	specifies the DMA interrupt source to check. This parameter can be one of the following values: DMA_IT_TC: Transfer complete interrupt mask DMA_IT_HT: Half transfer complete interrupt mask DMA_IT_TE: Transfer error interrupt mask

Return values

The	state of DMA_IT (SET or RESET).

◆ __HAL_DMA_GET_TC_FLAG_INDEX

#define __HAL_DMA_GET_TC_FLAG_INDEX ( __HANDLE__ )

Value:

(((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_TC1 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMA_FLAG_TC1 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_TC2 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMA_FLAG_TC2 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TC3 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMA_FLAG_TC3 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TC4 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMA_FLAG_TC4 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_TC5 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMA_FLAG_TC5 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_TC6 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMA_FLAG_TC6 :\
   DMA_FLAG_TC7)

Return the current DMA Channel transfer complete flag.

Parameters

__HANDLE__ DMA handle

Return values

The	specified transfer complete flag index.

◆ __HAL_DMA_GET_TE_FLAG_INDEX

#define __HAL_DMA_GET_TE_FLAG_INDEX ( __HANDLE__ )

Value:

(((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_TE1 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMA_FLAG_TE1 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_TE2 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMA_FLAG_TE2 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TE3 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMA_FLAG_TE3 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TE4 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMA_FLAG_TE4 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_TE5 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMA_FLAG_TE5 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_TE6 :\
 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMA_FLAG_TE6 :\
   DMA_FLAG_TE7)

Return the current DMA Channel transfer error flag.

Parameters

__HANDLE__ DMA handle

Return values

The	specified transfer error flag index.

◆ __HAL_DMA_RESET_HANDLE_STATE

#define __HAL_DMA_RESET_HANDLE_STATE ( __HANDLE__ ) ((__HANDLE__)->State = HAL_DMA_STATE_RESET)

Reset DMA handle state.

Parameters

__HANDLE__ DMA handle

Return values

None

◆ __HAL_DMA_SET_CIRCLUAR_MODE

#define __HAL_DMA_SET_CIRCLUAR_MODE	(	__HANDLE__,
		__CIRCLUAR_MODE__
	)	((__HANDLE__)->Instance->CCR \|= __CIRCLUAR_MODE__)

Set circular mode for the current DMA Channel transfer.

Parameters

__HANDLE__	DMA handle
__CIRCLUAR_MODE__	Circluar mode, 0 disable, 1 enable

Return values

None.

◆ __HAL_DMA_SET_COUNTER

#define __HAL_DMA_SET_COUNTER	(	__HANDLE__,
		__DATA_COUNTS__
	)	((__HANDLE__)->Instance->CNDTR = __DATA_COUNTS__)

restart the current DMA Channel transfer.

Parameters

__HANDLE__	DMA handle
__DATA_COUNTS__	number of data to transfer (0 to 2^16 - 1)

Return values

None.

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Macros

Detailed Description

Macro Definition Documentation

◆ __HAL_DMA_CLEAR_CIRCLUAR_MODE

◆ __HAL_DMA_CLEAR_FLAG

◆ __HAL_DMA_DISABLE

◆ __HAL_DMA_DISABLE_IT

◆ __HAL_DMA_ENABLE

◆ __HAL_DMA_ENABLE_IT

◆ __HAL_DMA_GET_COUNTER

◆ __HAL_DMA_GET_FLAG

◆ __HAL_DMA_GET_GI_FLAG_INDEX

◆ __HAL_DMA_GET_HT_FLAG_INDEX

◆ __HAL_DMA_GET_IT_SOURCE

◆ __HAL_DMA_GET_TC_FLAG_INDEX

◆ __HAL_DMA_GET_TE_FLAG_INDEX

◆ __HAL_DMA_RESET_HANDLE_STATE

◆ __HAL_DMA_SET_CIRCLUAR_MODE

◆ __HAL_DMA_SET_COUNTER